diff --git a/src/config.ts b/src/config.ts
index 1147701..33397b8 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -15,6 +15,7 @@ export type Config = {
   REDIS_HOST: string;
   REDIS_PORT: number;
   REDIS_PASSWORD: string;
+  REDIS_DB: number;
   ZHIHU_COOKIE: string;
 };
 
@@ -52,5 +53,6 @@ export const config: Config = {
   REDIS_HOST: getEnvVariable("REDIS_HOST") || "127.0.0.1",
   REDIS_PORT: getNumericEnvVariable("REDIS_PORT", 6379),
   REDIS_PASSWORD: getEnvVariable("REDIS_PASSWORD") || "",
+  REDIS_DB:  getNumericEnvVariable("REDIS_DB", 0),
   ZHIHU_COOKIE: getEnvVariable("ZHIHU_COOKIE") || "",
 };
diff --git a/src/router.types.d.ts b/src/router.types.d.ts
index bed6b6b..b87ebb7 100644
--- a/src/router.types.d.ts
+++ b/src/router.types.d.ts
@@ -89,7 +89,8 @@ export type RouterType = {
     word_scheme: string;
     note: string;
     flag_desc: string;
-    num: number;
+    // num: number;
+    desc_extr: number;
     onboard_time: number;
   };
   zhihu: {
diff --git a/src/routes/weibo.ts b/src/routes/weibo.ts
index ae8f5b1..54214f0 100644
--- a/src/routes/weibo.ts
+++ b/src/routes/weibo.ts
@@ -44,7 +44,7 @@ const getList = async (noCache: boolean) => {
         desc: key,
         // author: v.flag_desc,
         timestamp: getTime(v.onboard_time),
-        // hot: v.num,
+        hot: v.desc_extr,
         url: `https://s.weibo.com/weibo?q=${encodeURIComponent(key)}&t=31&band_rank=1&Refer=top`,
         mobileUrl: v?.scheme,
       };
diff --git a/src/utils/cache.ts b/src/utils/cache.ts
index 958cc87..8c943f5 100644
--- a/src/utils/cache.ts
+++ b/src/utils/cache.ts
@@ -26,6 +26,7 @@ const redis = new Redis({
   host: config.REDIS_HOST,
   port: config.REDIS_PORT,
   password: config.REDIS_PASSWORD,
+  db: config.REDIS_DB,
   maxRetriesPerRequest: 5,
   // 重试策略：最小延迟 50ms，最大延迟 2s
   retryStrategy: (times) => Math.min(times * 50, 2000),